Page 4 - II
VXI Technology, Inc. 4 SM8000 Series Preface Control Modes ........................................................................................................................................... 35 Uncalibrated Operation - Move-To-Absolute-Step ......................................................
Page 7 - Optical Switch; EMC; FCC Part 15 Subpart B Class A
VXI Technology, Inc. SM8000 Series Preface 7 D E C L A R A T I O N O F C O N F O R M I T Y Declaration of Conformity According to ISO/IEC Guide 22 and EN 45014 M ANUFACTURER ’ S N AME VXI Technology, Inc. M ANUFACTURER ’ S A DDRESS 2031 Main Street Irvine, California 92614-6509 P RODUCT N AME Optica...
Page 9 - Service should only be performed by qualified personnel.; ERMS AND; WARNING; These symbols may appear on the product:; ARNINGS; Use Proper Power Cord; Use Proper Power Source
VXI Technology, Inc. SM8000 Series Preface 9 G ENERAL S AFETY I NSTRUCTIONS Review the following safety precautions to avoid bodily injury and/or damage to the product. These precautions must be observed during all phases of operation or service of this product. Failure to comply with these precauti...
Page 10 - Avoid Electric Shock; Ground the Product; Improper Use
VXI Technology, Inc. 10 SM8000 Series Preface W ARNINGS (C ONT .) Avoid Electric Shock To avoid electric shock or fire hazard, do not operate this product with the covers removed. Do not connect or disconnect any cable, probes, test leads, etc. while they are connected to a voltage source. Remove al...
Page 11 - Technical Support; Visit
VXI Technology, Inc. SM8000 Series Preface 11 S UPPORT R ESOURCES Support resources for this product are available on the Internet and at VXI Technology customer support centers. VXI Technology World Headquarters VXI Technology, Inc. 2031 Main Street Irvine, CA 92614-6509 Phone: (949) 955-1894 Fax: ...
Page 13 - SM8000 Series Introduction; VERVIEW
VXI Technology, Inc. SM8000 Series Introduction 13 S ECTION 1 I NTRODUCTION O VERVIEW The SM8000 series optical switching modules are members of the VXI Technology SMIP II ™ family. They offer a modular design allowing custom switching configurations. Due to the nature of routing fiber optic cables ...
Page 14 - ERIES
VXI Technology, Inc. 14 SM8000 Series Introduction SM8000 S ERIES - O PTICAL S WITCH C ONTROLLER The SM8000 high-density optical switch controller module is designed to handle many different combinations of optical switching modules. This includes up to 12 single mode prism switches, or 4 multi-swit...
Page 15 - Configurations
VXI Technology, Inc. SM8000 Series Introduction 15 SM8001 / SM8002 - M ULTI -C HANNEL S WITCHES The SM8001 and SM8002 base units house the 1xN and 2xN multi-channel switches. They each hold up to four optical switch modules. Each switch module can be either a 1xN (where N ranges from 1 to 32) or a 2...
Page 16 - Duplex 1 x N
VXI Technology, Inc. 16 SM8000 Series Introduction 1 1234 -- N open 1 x N 2 1122 - NN open open 1 Duplex 1 x N 2 1 2 3 N open open 1 open 2 x N Blocking 2 1234 - N open open 1 open 2 x N Non-Blocking F IGURE 1-2: SM8001 / 8002 S WITCHES
Page 17 - ULTI; Fiber; 00 ms + 16 ms per channel maximum; PDL; All specifications referenced without connectors.
VXI Technology, Inc. SM8000 Series Introduction 17 SM8001 / SM8002 M ULTI S WITCH S PECIFICATIONS G ENERAL S PECIFICATIONS W AVELENGTH R ANGE 780 – 1650 nm I NSERTION L OSS 2 0.6 dB typical, 1.2 dB maximum B ACK R EFLECTION Single-Mode Fiber 3 Multi-Mode Fiber 3 -60 dB typical, - 55 dB maximum -20 d...
Page 18 - RISM
VXI Technology, Inc. 18 SM8000 Series Introduction SM8003 - P RISM S WITCHES The SM8003 is a single-slot Prism switch base unit. SPST, SPDT and Transfer switches can be mixed and matched within the same SM8003 base unit. Configurations The following configurations are available for the SM8003: SM800...
Page 19 - 0 million cycles minimum
VXI Technology, Inc. SM8000 Series Introduction 19 SM8003 P RISM S WITCH S PECIFICATIONS G ENERAL S PECIFICATIONS W AVELENGTH R ANGE 780 – 1570 nm I NSERTION L OSS 2 0.6 dB typical, 1.1 dB maximum B ACK R EFLECTION Single-Mode Multi-Mode - 55 dB maximum -20 dB typical C ROSS -T ALK -80 dB maximum D ...
Page 20 - PTICAL; Accuracy; 4 dBm maximum; Notes
VXI Technology, Inc. 20 SM8000 Series Introduction SM8101 / SM8102 - O PTICAL A TTENUATORS The SM8101 and SM8102 are single-slot VXIbus modules. The SM8101 is a single-channel variable attenuator, and the SM8102 is a two-channel variable attenuator. SM8101 / SM8102 S PECIFICATIONS A TTENUATOR A TTEN...
Page 21 - SM8000 Series Preparation for Use; REPARATION FOR; When the SMIP
VXI Technology, Inc. SM8000 Series Preparation for Use 21 S ECTION 2 P REPARATION FOR U SE I NTRODUCTION When the SMIP II is unpacked from its shipping carton, the contents should include the following items: (1) SMIP II VXIbus module (1) SM8000 Series Optical Switch User’s Manual (this manual) All ...
Page 22 - BACK
VXI Technology, Inc. 22 SM8000 Series Preparation for Use S ETTING THE L OGICAL A DDRESS The logical address of the SMIP II is set by two rotary switches located on the top edge of the interface card, near the backplane connectors. Each switch is labeled with positions 0 through F. The switch closer...
Page 23 - Example 2; LA; FF; ELECTING THE
VXI Technology, Inc. SM8000 Series Preparation for Use 23 Example 2 LA (decimal) Divide by 16 MSB LSB 200 200 / 16 = 12 w/ 8 remaining Divide by 16. = 1100 1000 Convert to MSB and LSB. = C 8 Convert to hexadecimal. Set the back switch to C and the front switch to 8. 0 1 2 3 4 5 6 7 8 9 A B C D E F 0...
Page 24 - Cleaning Optical Connectors; Mating Optical Connectors
VXI Technology, Inc. 24 SM8000 Series Preparation for Use O PTICAL C ONNECTIONS The SM8000 series are all shipped with dust caps over each optical connector. These dust caps should remain in place at all times while the instrument is not in use. Cleaning Optical Connectors 1. Clean both connectors t...
Page 25 - PERATION; ENERAL
VXI Technology, Inc. SM8000 Series Operation 25 S ECTION 3 O PERATION G ENERAL D ESCRIPTION SM8001 / SM8002 - Multi-Channel Switches The multi-channel optical switches are optical-mechanical switches that allow selection of an individual fiber channel by means of a high-resolution stepper motor. The...
Page 29 - x N Switch Configuration; Active Channel
VXI Technology, Inc. SM8000 Series Operation 29 1 x N Switch Configuration 1 1 2 3 N 0 .. . F IGURE 3-4: 1 X N S WITCH C ONFIGURATION T ABLE 3-1: C ONTROL C ODES FOR 1 X N C ONFIGURATION RESET* D4 D3 D2 D1 D0 Active Channel 0 x x x x x 0 reset 1 0 0 0 0 0 1 1 0 0 0 0 1 2 1 0 0 0 1 0 3 1 0 0 0 1 1 4 ...
Page 30 - Duplex 1 x N Switch Configuration; Common 1
VXI Technology, Inc. 30 SM8000 Series Operation Duplex 1 x N Switch Configuration 2 1-11-22-12-2 N-1N-2 0 0 1 .. . F IGURE 3-5: D UPLEX 1 X N S WITCH C ONFIGURATION T ABLE 3-2: C ONTROL C ODES FOR D UPLEX 1 X N C ONFIGURATION RESET* D4 D3 D2 D1 D0 Common 1 Active Channel Common 2 Active Channel 0 x ...
Page 31 - x N Blocking Switch Configuration
VXI Technology, Inc. SM8000 Series Operation 31 2 x N Blocking Switch Configuration 1 1 2 3 N 0 -1 2 block block block block .. . F IGURE 3-6 2 X N B LOCKING S WITCH C ONFIGURATION T ABLE 3-3: C ONTROL C ODES FOR 2 X N B LOCKING C ONFIGURATION RESET* D4 D3 D2 D1 D0 Common 1 Output Channel Common 2 O...
Page 32 - x N Non-Blocking Switch Configuration
VXI Technology, Inc. 32 SM8000 Series Operation 2 x N Non-Blocking Switch Configuration 1 123 N 0 2 block .. . -1 F IGURE 3-7: 2 X N N ON -B LOCKING S WITCH C ONFIGURATION T ABLE 3-4: C ONTROL C ODES FOR 2 X N N ON -B LOCKING C ONFIGURATION RESET* D4 D3 D2 D1 D0 Common 1 Active Channel Common 2 Acti...
Page 33 - Calculating Switching Time
VXI Technology, Inc. SM8000 Series Operation 33 REGISTER WRITE BUSY OUTPUT 300ms 16ms F IGURE 3-8: M ULTI -S WITCH T IMING Calculating Switching Time The time-period for switching a channel can be divided into three constituent periods. The first time-period ends when the BUSY signal goes high. For ...
Page 36 - Step 1 - Power Up and Initialize; Query Minimum Attenuation - 82h
VXI Technology, Inc. 36 SM8000 Series Operation BUSY Signal The BUSY bit is driven high by the device whenever a Set Attenuation command is received, or when a RESET signal is received. The BUSY signal remains high whenever a command is executed and the stepper motor is moving. During this time, no ...
Page 37 - ROGRAMMING; EGISTER; reads; DDRESSING; then
VXI Technology, Inc. SM8000 Series Programming 37 S ECTION 4 P ROGRAMMING R EGISTER A CCESS The SMIP II optical modules are VXIbus register-based devices. Register-based programming is a series of reads and writes directly to the switch module registers. This eliminates the time for command parsing ...
Page 38 - SMIP; OFFSET
VXI Technology, Inc. 38 SM8000 Series Programming T ABLE 4-1: SMIP II R EGISTER M AP - A16 OFFSET WRITE FUNCTION READ FUNCTION 3E Trace Advance Board Busy 3C Busy Trigger Control Busy Trigger Control 3A Trace RAM Control Trace RAM Control 38 TTL Trigger Polarity Reserved 36 Open Trigger Select Reser...
Page 39 - EGISTERS; ID Register – Read Only; Logical Address Register – Write Only; ADDR; Device Type Register – Read Only; ADDR; Status Register – Read Only; ADDR
VXI Technology, Inc. SM8000 Series Programming 39 SMIP II R EGISTERS - A16 The following describes the registers shown in the SMIP II Register Map for A16 address space. ID Register – Read Only ADDR Plug-In LA+0x00 D11-D0 Manufacturer's ID VXI Technology, Inc., set to F4B 16 D13-D12 Address Space A1...
Page 40 - Control Register – Write Only; Offset Register – Read and Write; Serial Number High Register – Read Only; Serial Number Low Register – Read Only; Version Number Register – Read Only
VXI Technology, Inc. 40 SM8000 Series Programming Control Register – Write Only ADDR Plug-In LA+0x04 D15 A24/A32 Enable 1 = write a 1 to this bit to enable A24/A32 memory access 0 = to disable access D14-D2 Reserved Writes to these bits have no effect. D1 Sysfail Inhibit Write a 1 to this bit to pre...
Page 41 - Interrupt Status Register – Read Only; Interrupt Control Register – Read and Write; Subclass Register – Read Only
VXI Technology, Inc. SM8000 Series Programming 41 Interrupt Status Register – Read Only ADDR Plug-In LA+0x1A D15 Scan Function done The latest scan list update is complete. D14 Openbus Active Event true The Openbus was activated by one or more programmed inputs. See description of the Openbus in the...
Page 42 - NVM Access Register – Read; NVM Access Register – Write; Board X, Y Used Address Register – Read and Write; Trace RAM Start High Register – Read and Write; Trace RAM Start Low Register – Read and Write
VXI Technology, Inc. 42 SM8000 Series Programming NVM Access Register – Read ADDR Plug-In LA+0x20 D15-D1 Unused All Bits are always 1. D0 Reads back the serial data stream from the selected SMIP II board. Note that only one SMIP II board may be read back at a time. NVM Access Register – Write ADDR P...
Page 43 - Trace RAM End High Register – Read and Write; Trace RAM End Low Register – Read and Write; Trace RAM Address HIGH Register – Read and Write; Unused; Trace RAM Address LOW Register – Read and Write; Trace Advance Trigger Select Register – Write Only
VXI Technology, Inc. SM8000 Series Programming 43 Trace RAM End High Register – Read and Write ADDR Plug-In LA+0x2C D15-D4 Unused Data written to these bits have no affect and read back as 1s. D3-D0 Sets the four most significant bits of the ending address of the Trace RAM, allowing the available RA...
Page 44 - Open Trigger Select Register – Write Only; TTL Trigger Polarity Register – Write Only
VXI Technology, Inc. 44 SM8000 Series Programming Open Trigger Select Register – Write Only ADDR Plug-In LA+0x36 D15-D8 Sets the TTLTRIG line or lines, which are configures as outputs, and will toggle when Relay Open condition occurs in the module. D15 corresponds to TTLTRIG7, D14 to TTLTRIG6, … and...
Page 45 - Trace RAM Control Register – Read and Write; Busy Trigger Control Register – Read and Write
VXI Technology, Inc. SM8000 Series Programming 45 Trace RAM Control Register – Read and Write ADDR Plug-In LA+0x3A D15-D10 Modules Installed D15 is for module 5 ... D10 is for module 0. Set to 0 if the module is installed or set to a 1 if not installed. These bits are set to 0 at power on. By settin...
Page 46 - Trigger Advance Register – Write Only; Board Busy Register – Read Only; bits; Reserved Registers – Read and Write
VXI Technology, Inc. 46 SM8000 Series Programming Trigger Advance Register – Write Only ADDR Plug-In LA+0x3E D15-D0 Unused The act of writing to this location causes a Trace Advance event to occur in the module. The specific data written to these bits has no affect. Board Busy Register – Read Only A...
Page 48 - Control Register – Read and Write; Typical Optical Multi Switch Operation.
VXI Technology, Inc. 48 SM8000 Series Programming M ODULE R EGISTERS - SM8000 S ERIES C ONTROLLER - A24 / A32 - E XTENDED M EMORY This module is assigned 1 k (1024) bytes of memory as shown in the SMIP II Configuration/Relay Register Map for A24/A32 address space. The upper 512 bytes of memory space...
Page 50 - Delay Register - Read and Write; Data Bus
VXI Technology, Inc. 50 SM8000 Series Programming Control Register (cont.) D3 Relay Reset Select Bit 0 = The Openbus signal is not selected to reset this module's relays 1 = The Openbus signal is selected to reset this module's relays Pon state = 0 Many plug-in modules may be programmed to be listen...
Page 52 - Command Register – Write Only; Read Byte Count; Note; Command Register
VXI Technology, Inc. 52 SM8000 Series Programming Command Register – Write Only ADDR Plug-In LA+0x106 D15-D12 Read Byte Count This nibble holds the number of bytes that are to be read back from the optical module. The value loaded into this nibble is dependent on the command that is required to exec...
Page 53 - Address Register – Write Only; Address Byte to
VXI Technology, Inc. SM8000 Series Programming 53 Address Register – Write Only ADDR Plug-In LA+0x108 D15-D7 Unused D6-D0 Address Byte to Optical Module This Address Byte is sent to the optical module being addressed. See the Optical Attenuator Operation section of the manual for the operation of th...
Page 55 - Relay Register 00 – Read and Write
VXI Technology, Inc. SM8000 Series Programming 55 W RITING TO THE R ELAY R EGISTERS If the SM8000 is used to drive single-mode prism switches, in either latching or non-latching configurations, setting the switches is accomplished through writing to the Relay Register located at Relay Register Offse...
Page 56 - Register 02 thru 08 – Read and Write; Register 0A thru 0C – Read
VXI Technology, Inc. 56 SM8000 Series Programming Relay (Optical Module’s Data (Attenuation Level)) Register 02 thru 08 – Read and Write ADDR Plug-In LA+0x002 – 0x008 The SM8000 can alternatively drive up to 4 optical multi switch or attenuator modules. Module one is addressed by writing a 16-bit wo...
Page 57 - number corresponding to the switch required to the SM8000.
VXI Technology, Inc. SM8000 Series Programming 57 P ROGRAMMING E XAMPLES T YPICAL O PTICAL M ULTI -S WITCH C ONTROL E XAMPLE The optical multi-switch modules are controlled via a 5-bit parallel port. To select the optical switch, the binary number corresponding to the switch is written to the SM8000...
Page 58 - Write
VXI Technology, Inc. 58 SM8000 Series Programming T YPICAL O PTICAL A TTENUATOR C ONTROL E XAMPLE The optical attenuator modules are controlled via an I 2 C bus interface. The bus protocol requires the transmission of the following: • a Module Address • a Command Byte • the number of bytes to send •...
Page 59 - SM8000 controls them on separate internal busses.
VXI Technology, Inc. SM8000 Series Programming 59 Note To operate the modules correctly, the SM8000 must be loaded with a valid Address in the Address Register. The SM8000 is hard coded at the factory with the optical modules default address of 73 => 49h, and may be used to generate the address u...
Page 60 - Bits; Write Example
VXI Technology, Inc. 60 SM8000 Series Programming C OMMAND R EGISTER The following register addressing is based on the Phillips I 2 C specification. For more detailed information, please refer to Phillips document titled The I 2 C Bus and How To Use It. Bits 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 D R...
Page 61 - OMMAND
VXI Technology, Inc. SM8000 Series Programming 61 C OMMAND S ET Table 4-2 lists the command set available for the SM8101 / SM8102 Optical Attenuator. The table lists the commands in alphabetical order. Detailed descriptions, listed in numeric order, follow the table. T ABLE 4-2: A TTENUATOR C OMMAND...
Page 69 - Command Name; Query Calibration Table Entry; Command Format; Covert integer to hexadecimal.; Example
VXI Technology, Inc. SM8000 Series Programming 69 8Eh Command Name Query Calibration Table Entry Command Format 8Eh HIGH_BYTE LOW_BYTE Description The Query Calibration Table Entry command returns the calibration table entry (step position) for a given attenuation in a 2-byte (16-bit) format. The re...
Page 70 - Set Address; Convert to hexadecimal.
VXI Technology, Inc. 70 SM8000 Series Programming 90h Command Name Set Address Command Format 90h HIGH_BYTE Description The Set Address command permanently sets the address to a one-byte (8-bit) value between 0 and 127 (the MSB of HIGH_BYTE must be zero). To operate the modules correctly, the SM8000...
